Finding the Fourth Proportional to 99,024.75, 136,654.36 and 56,583.18
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Solution
The fourth proportional to 99,024.75, 136,654.36 and 56,583.18 is: 78,084.90
Step by Step Solution
- Step 1: Write the proportion equation
99,024.75 : 136,654.36 = 56,583.18 : x - Step 2: Convert to fraction form
99,024.75/136,654.36 = 56,583.18/x - Step 3: Cross multiply
99,024.75x = 136,654.36 × 56,583.18 - Step 4: Simplify right side
99,024.75x = 7,732,338,108.21 - Step 5: Solve for x
x = 7,732,338,108.21/99,024.75 - Step 6: Final answer
x = 78,084.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.